DE69408153T2 - Wasserentzug bei hydrogel - Google Patents

Wasserentzug bei hydrogel

Info

Publication number
DE69408153T2
DE69408153T2 DE69408153T DE69408153T DE69408153T2 DE 69408153 T2 DE69408153 T2 DE 69408153T2 DE 69408153 T DE69408153 T DE 69408153T DE 69408153 T DE69408153 T DE 69408153T DE 69408153 T2 DE69408153 T2 DE 69408153T2
Authority
DE
Germany
Prior art keywords
implants
hydrated
hydrogel
discs
concavities
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69408153T
Other languages
English (en)
Other versions
DE69408153D1 (de
Inventor
Qi-Bin Bao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Howmedica Osteonics Corp
Original Assignee
Howmedica Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Howmedica Inc filed Critical Howmedica Inc
Publication of DE69408153D1 publication Critical patent/DE69408153D1/de
Application granted granted Critical
Publication of DE69408153T2 publication Critical patent/DE69408153T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/441—Joints for the spine, e.g. vertebrae, spinal discs made of inflatable pockets or chambers filled with fluid, e.g. with hydrogel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30108—Shapes
    • A61F2002/3011—Cross-sections or two-dimensional shapes
    • A61F2002/30112—Rounded shapes, e.g. with rounded corners
    • A61F2002/30133—Rounded shapes, e.g. with rounded corners kidney-shaped or bean-shaped
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
    • A61F2002/30316—The prosthesis having different structural features at different locations within the same prosthesis; Connections between prosthetic parts; Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30535—Special structural features of bone or joint prostheses not otherwise provided for
    • A61F2002/30581—Special structural features of bone or joint prostheses not otherwise provided for having a pocket filled with fluid, e.g. liquid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/30—Joints
    • A61F2/44—Joints for the spine, e.g. vertebrae, spinal discs
    • A61F2/442—Intervertebral or spinal discs, e.g. resilient
    • A61F2002/444—Intervertebral or spinal discs, e.g. resilient for replacing the nucleus pulposus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004—Rounded shapes, e.g. with rounded corners
    • A61F2230/0015—Kidney-shaped, e.g. bean-shaped
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/90—Direct application of fluid pressure differential to shape, reshape, i.e. distort, or sustain an article or preform and heat-setting, i.e. crystallizing of stretched or molecularly oriented portion thereof
    • Y10S264/901—Heat-setting of stretched or molecularly oriented article formed from planar preform, e.g. sheet, film
DE69408153T 1993-09-16 1994-07-18 Wasserentzug bei hydrogel Expired - Lifetime DE69408153T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/122,110 US5522898A (en) 1993-09-16 1993-09-16 Dehydration of hydrogels
PCT/IB1994/000220 WO1995007668A1 (en) 1993-09-16 1994-07-18 Dehydration of hydrogels

Publications (2)

Publication Number Publication Date
DE69408153D1 DE69408153D1 (de) 1998-02-26
DE69408153T2 true DE69408153T2 (de) 1998-05-07

Family

ID=22400676

Family Applications (2)

Application Number Title Priority Date Filing Date
DE9490462U Expired - Lifetime DE9490462U1 (de) 1993-09-16 1994-07-18 Prothetische Kerne für Bandscheiben
DE69408153T Expired - Lifetime DE69408153T2 (de) 1993-09-16 1994-07-18 Wasserentzug bei hydrogel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE9490462U Expired - Lifetime DE9490462U1 (de) 1993-09-16 1994-07-18 Prothetische Kerne für Bandscheiben

Country Status (7)

Country Link
US (1) US5522898A (de)
EP (1) EP0719117B1 (de)
JP (1) JP2935572B2 (de)
AT (1) ATE162385T1 (de)
CA (1) CA2170037C (de)
DE (2) DE9490462U1 (de)
WO (1) WO1995007668A1 (de)

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US20030008396A1 (en) * 1999-03-17 2003-01-09 Ku David N. Poly(vinyl alcohol) hydrogel
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DE29720022U1 (de) * 1997-11-12 1998-01-15 Schaefer Micomed Gmbh Zwischenwirbelimplantat
US5932552A (en) 1997-11-26 1999-08-03 Keraplast Technologies Ltd. Keratin-based hydrogel for biomedical applications and method of production
US6123731A (en) 1998-02-06 2000-09-26 Osteotech, Inc. Osteoimplant and method for its manufacture
US6224630B1 (en) * 1998-05-29 2001-05-01 Advanced Bio Surfaces, Inc. Implantable tissue repair device
US6605294B2 (en) 1998-08-14 2003-08-12 Incept Llc Methods of using in situ hydration of hydrogel articles for sealing or augmentation of tissue or vessels
US6152943A (en) * 1998-08-14 2000-11-28 Incept Llc Methods and apparatus for intraluminal deposition of hydrogels
US6520996B1 (en) 1999-06-04 2003-02-18 Depuy Acromed, Incorporated Orthopedic implant
FR2897259B1 (fr) 2006-02-15 2008-05-09 Ldr Medical Soc Par Actions Si Cage intersomatique transforaminale a greffon de fusion intervetebrale et instrument d'implantation de la cage
US20040024465A1 (en) 1999-08-18 2004-02-05 Gregory Lambrecht Devices and method for augmenting a vertebral disc
US8323341B2 (en) 2007-09-07 2012-12-04 Intrinsic Therapeutics, Inc. Impaction grafting for vertebral fusion
US7972337B2 (en) 2005-12-28 2011-07-05 Intrinsic Therapeutics, Inc. Devices and methods for bone anchoring
US7553329B2 (en) 1999-08-18 2009-06-30 Intrinsic Therapeutics, Inc. Stabilized intervertebral disc barrier
IL155494A0 (en) 1999-08-18 2003-11-23 Intrinsic Therapeutics Inc Devices and method for nucleus pulposus augmentation and retention
US7094258B2 (en) 1999-08-18 2006-08-22 Intrinsic Therapeutics, Inc. Methods of reinforcing an annulus fibrosis
US7717961B2 (en) 1999-08-18 2010-05-18 Intrinsic Therapeutics, Inc. Apparatus delivery in an intervertebral disc
US7998213B2 (en) 1999-08-18 2011-08-16 Intrinsic Therapeutics, Inc. Intervertebral disc herniation repair
EP1624832A4 (de) 1999-08-18 2008-12-24 Intrinsic Therapeutics Inc Vorrichtungen und verfahren zur augmentierung eines wirbelscheiben-nukleus
US6371984B1 (en) 1999-09-13 2002-04-16 Keraplast Technologies, Ltd. Implantable prosthetic or tissue expanding device
US6783546B2 (en) 1999-09-13 2004-08-31 Keraplast Technologies, Ltd. Implantable prosthetic or tissue expanding device
US6264695B1 (en) * 1999-09-30 2001-07-24 Replication Medical, Inc. Spinal nucleus implant
DK1244388T3 (da) * 1999-12-06 2007-05-14 Warsaw Orthopedic Inc Indretning til behandling af mellemhvirvelskiver
JP2006516199A (ja) * 2002-09-24 2006-06-29 ボゴミール ゴレンセク 椎間円板用の安定化装置および方法
AU2004249291B2 (en) 2003-06-20 2009-07-23 Intrinsic Therapeutics, Inc. Device and method for delivering an implant through an annular defect in an intervertebral disc
US20040260300A1 (en) 2003-06-20 2004-12-23 Bogomir Gorensek Method of delivering an implant through an annular defect in an intervertebral disc
CA2558623C (en) 2004-02-06 2013-04-16 Georgia Tech Research Corporation Surface directed cellular attachment
WO2005077304A1 (en) 2004-02-06 2005-08-25 Georgia Tech Research Corporation Load bearing biocompatible device
ATE506919T1 (de) * 2004-03-26 2011-05-15 Nuvasive Inc Bandscheibenprothese
JP2007530120A (ja) * 2004-03-26 2007-11-01 ヌヴァシヴ インコーポレイテッド 脊椎円板髄核置換用多孔質インプラント
US20080269900A1 (en) * 2004-05-20 2008-10-30 Christopher Reah Surgical Implants
US20050277921A1 (en) * 2004-05-28 2005-12-15 Sdgi Holdings, Inc. Prosthetic joint and nucleus supplement
EP1786486B1 (de) * 2004-09-10 2011-05-18 Stichting Dutch Polymer Institute Röntgendichte bandscheibenkernprothese
GB0514891D0 (en) * 2005-07-20 2005-08-24 Pearsalls Ltd Improvements in and relating to implants
US20090105826A1 (en) * 2005-06-03 2009-04-23 Mcleod Alan Surgical Implants
CA2610871A1 (en) 2005-06-06 2006-12-14 The General Hospital Corporation Tough hydrogels
US20070093906A1 (en) * 2005-10-26 2007-04-26 Zimmer Spine, Inc. Nucleus implant and method
US8038920B2 (en) * 2006-01-25 2011-10-18 Carticept Medical, Inc. Methods of producing PVA hydrogel implants and related devices
US8603171B2 (en) * 2006-01-25 2013-12-10 Mimedx Group, Inc. Spinal disc implants with flexible keels and methods of fabricating implants
US20070179615A1 (en) * 2006-01-31 2007-08-02 Sdgi Holdings, Inc. Intervertebral prosthetic disc
US20070179618A1 (en) * 2006-01-31 2007-08-02 Sdgi Holdings, Inc. Intervertebral prosthetic disc
US7918889B2 (en) * 2006-02-27 2011-04-05 Warsaw Orthopedic, Inc. Expandable spinal prosthetic devices and associated methods
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US7946236B2 (en) * 2007-01-31 2011-05-24 Nuvasive, Inc. Using zigzags to create three-dimensional embroidered structures
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Also Published As

Publication number Publication date
CA2170037C (en) 2000-05-30
US5522898A (en) 1996-06-04
EP0719117A1 (de) 1996-07-03
ATE162385T1 (de) 1998-02-15
DE69408153D1 (de) 1998-02-26
EP0719117B1 (de) 1998-01-21
WO1995007668A1 (en) 1995-03-23
CA2170037A1 (en) 1995-03-23
JPH08509891A (ja) 1996-10-22
DE9490462U1 (de) 1996-05-30
JP2935572B2 (ja) 1999-08-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: STRYKER TECHNOLOGIES CORP., KALAMAZOO, MICH., US

8327 Change in the person/name/address of the patent owner

Owner name: HOWMEDICA OSTEONICS CORP., MAHWAH, N.J., US

8328 Change in the person/name/address of the agent

Representative=s name: MAIWALD PATENTANWALTS GMBH, 80335 MUENCHEN